论述了主要硬件电路的设计方案,其中包括晶闸管两端电压检测、三相电源同步信号检测等。
The main control system includes the synchronous signal generating circuit, the testing circuit of thyristor cut-off voltage and the trigger circuit of the thyristors etc.
该模块解决了对差分信号“调制”、“解调”问题,实现了数据和电源在同轴电缆上的同步传输。
It solves the problem of modulate and demodulation of differential signal and achieve data and power signal communication in coaxial-cable.
最后通过实验得出结论,同步整流是低压、大电流电源中提高效率的有效方法。
Finally, we can learn by experiments that the limited efficiency improvements can be achieved by using synchronous rectification in a low voltage, high current power supply.
这种方法不需要硬件同步电路,能实时地计算电源电压中的基波正序分量。
The proposed method doesn't need hardware synchronization circuit and can perform the calculation of fundamental positive sequence component of the supply voltage in real time.
三相同步发电机作为三相工业频率的交流电源,研究其有功功率调节具有重要意义。
It's significant to study the regulation of active power of three-phase synchronous generator by way of the alternating power source of three-phase industrial frequency.
研究了一种复合励磁同步发电机用的高精度直流整流电源,详细介绍了该系统的设计方案及其控制策略。
In this paper, a kind of high accuracy DC rectification power system for hybrid excitation synchronous generator is researched.
由于同步信号受电网谐波的干扰,常使微机控制的中频感应加热电源不能正常运行。
A medium frequency induction heating power source controlled by the microprocessor can not be run normally, in case its synchronous signals are disturbed by the harmonic from common network.
对时频域混合方法加以改进用于分析电源分配网络同步开关噪声。
The hybrid time-frequency method was modified to analyze the simultaneous switching noise in power distribution network.
给出了电视信号与电源的函数同步驱动脉冲的时间定位关系式,设计了电光电视函数同步装置。
The relation between the setting time of the driving pulse of function synchronization and the power source of bulbs is given and a function synchronizing device is designed.
LA系列采用高效H类电路,电源采用同步整流的开关电源,重量轻、体积小,特别适合流动演出扩声应用。
La Circuit Design class-H, power supply with synchronous rectification switching power supply, light weight, small size, especially suitable for mobile performance of anti-sound applications.
无刷直流永磁电机的电源虽是直流电,但其内部绕组中的电流仍是交流电,其旋转部分犹如同步电机的磁极转子,其结构及电磁原理与同步电机相似。
With the power being DC, the current of inner winding of the magneto is AC, and the rotating part is just similar to the magnetic rotor of synchronous dynamo.
研制了一种用于铜蒸气激光器的高稳定度同步延迟脉冲充电开关电源。
A highly steady synchronous pulse charging power supply for Copper Vapor Laser was developed.
同时为了得到电压、电流的同步测量值,没有用互感器,而是通过电阻分压测量电压,同时以测量引入电机的电源线的电压代替线电流。
Also in the experiment we obtain the current by measuring the lead current from transducer to the motor, and this because it is the same current with the stator.
其它特点包括外部同步(从250khz到2mhz)、电源良好标记和软启动功能。
Other features include external synchronization (from 250khz to 2mhz), a power good flag and soft-start capability.
文中提供了电压逆变器驱动磁滞同步电动机的性能测试结果及正弦波电源驱动磁滞同步电动机的性能测试结果。
Also, in the article provides the results of hysteresis synchronous motor performance test derived by the voltage inverter and sine-wave supply.
该系列定时器采用高精度同步电机为动力源,以电源频率为时间基准。
This series adopt high accurate synchromotor as power source and take power supply frequency as time datum.
本文描述一台能改变光频移频率的新装置,它由旋转光栅、同步电机和调频电源组成。
A new device which can change the optical frequency shift is described. It consists of a rotating grating, a synchro motor and a power supply whose frequency can be adjusted.
本文论述了现代凸极变频同步电动机的优势和变频电源谐波的影响。
This paper describes modern transducer-fed synchronous motor's advantages and influences of transducer harmonious wave. It may be useful for electrical engineer using for reference.
在单片机控制下,脉动送丝波形与外特性同步调控。在停止送丝阶段,单片机令电源输出电压为峰值,焊丝在此电压下返烧并形成熔滴。
The output waveform of the oscillating wire feed system and the external characteristic are controlled and adjusted by a single-chip microcomputer (SCM) synchronously.
提出了一种基于同步发电机机电暂态模型的新型微电网逆变电源(称为虚拟同步发电机)。
A new inverter based on the electromechanical transient model of synchronous generator (which is referred to as virtual synchronous generator) is presented.
同时利用同步切换控制实现水泵由变频电源向工频电源的平稳切换。
Moreover, synchronous switch is applied to the system in order to complete the smooth switch on condition that frequency and phase of inverter power and power supply are the same.
从现在下一步将增加一倍坦克电容,建设同步旋转火花隙,并把它的电源箱这一切与一个单独的调压。
The next step from now will be to double tank capacitance, construct a synchronous rotary spark gap, and put it all on its power box with a separate variac.
与传统的晶闸管励磁电源相比,新型同步电机励磁电源的性能得到很大提高,使用简便可靠,是一种较好的同步电机励磁选择方案。
Comparing with the old type exciter, the new one has many advantages and can be used easily, it is suitable for the practical engineering.
同步发电机是电力系统中重要的电源,提高和维持同步发电机运行的稳定性,是保证电力系统安全、经济运行的基本条件之一。
In power system, enhancing and maintaining synchronous generators stability is one of the basic conditions to ensure safe and economical power system operation.
磁阻电动机以某一速率同步动转,该速率是由电源频率和定子绕制的极数决定的。
The reluctance motor operates synchronously at a speed which is determined by the supply frequency and the number of poles for which the stator is wound.
分析结果认为:变频器输出电源的频率和相位与供电电源频率和相位不同步是造成计量系统产生故障的主要原因。
The results show that the frequency and phase position of frequency converter output power are out of phase with that of supply power, which is the main reason leading to metering system breakdown.
OTC有关产品把同步点设计在自然换相点上,使同步移相触发和电源输出更趋稳定可靠。
To set up a sync point coincide with a natural commutation point in OTC products, and will be able to improve reliability and stability of the phase shifting trigger and output of the power source.
保证对检修平台的电源供给,控制电机的点动,联动,运行中的停止、运转、限位和电机同步。
It is used for supplying electric source to platform and controlling inch action; combining action of motor; stop, operation, limit position and stepping with motor in the process of operation.
该系列定时器采用高精度同步电机为动力源,以电源频率为时间基准,在30分钟至24小时内有多种规格的定时范围。
This series timers adopt high accurate synchromotor as power source and take power supply frequency as time datum. There are many specifications in time setting from 30 min. to 24 hours.
该系列定时器采用高精度同步电机为动力源,以电源频率为时间基准,在30分钟至24小时内有多种规格的定时范围。
This series timers adopt high accurate synchromotor as power source and take power supply frequency as time datum. There are many specifications in time setting from 30 min. to 24 hours.
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